About vishweshgm

vishweshgm · 2022-03-25

I have PCB made for STM32F103C8F46 with the attached schematic. At first I use ST-LINKV2 debugger to connect to the target. It connects successfully and able to flash the code as well. and it works well. But after some-time (like 5-10minutes) of keep...

vishweshgm · 2019-10-06

I am trying to understand the exception entry behaviour of cortex M3. It is given that stack frame contains PC info at address SP+0x18. If I see the PC value after entry of SysTick_Handler(), it remains 0x0000 0000. Please refer screenshots to get id...

vishweshgm · 2019-07-12

I want a project to be done urgently using STM32F103C8T6 controller using CUBEMX. This project has a requirement of sending some measured data to cell phone using mobile's hotspot (and not using internet. Basically I need to send it through TCP/IP). ...

vishweshgm · 2019-03-31

Kindly share me the library (preferably written with cubeMx32 APIs) written for Graphic LCD ST7920 if someone has it already. I am using STM32F103C8T6 microcontroller

vishweshgm · 2022-03-25

@Peter BENSCH , I agree. In one of my trials, I completely removed 10k resistor and put 100nF. But still it behaved same. I have gone through RM0008 document, and the following scheamtic. It is less likely that any of this happening as I have used b...

vishweshgm · 2019-10-07

Thank you. Memory view problem got solved after I changed Rendering option from hex to HexInteger in eclipse. Not sure why eclipse has not given option to change endianness in Hex view. Overall my issue got solved.

vishweshgm · 2019-10-07

Hello JW,You are right. The disassembly shows the r7 and lr push. Can you help me understand the flow please. Where is the return point PC stored?

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NRST Pin of stm32F103C8T6 gets pulled to low after some time. Why does this happen?

PC value in stack frame after exception entry remains 0x00000000.

Which WiFi module is best fit to use with STM32F103C8T6 controller?

Library for GLCD ST7920 with STM32F1xx Micro Controller

Re: NRST Pin of stm32F103C8T6 gets pulled to low after some time. Why does this happen?

Re: PC value in stack frame after exception entry remains 0x00000000.

Re: PC value in stack frame after exception entry remains 0x00000000.